John Dennis
John Dennis is the name of the following people:
- John Dennis (playwright) (1657–1734), English playwright and critic
- John Dennis (politician, 1771) (1771–1806), American politician (Maryland)
- John Dennis (politician, 1807) (1807-1859), American politician (Maryland)
- John Dennis (Bishop) (born 1931), British Anglican theologian
- John Stoughton Dennis (1820–1885), Canadian surveyor, officer and civil servant
